Compilare: user.cpp: In function ‘void Update1(int, int, int)’: user.cpp:55:9: warning: unused variable ‘k’ [-Wunused-variable] int k=mod(L-cage),k2=mod((L+R)/2+1-cage); ^ user.cpp:55:23: warning: unused variable ‘k2’ [-Wunused-variable] int k=mod(L-cage),k2=mod((L+R)/2+1-cage); ^ user.cpp: In function ‘void Update2(int, int, int)’: user.cpp:100:9: warning: unused variable ‘k’ [-Wunused-variable] int k=mod(L-cage),k2=mod((L+R)/2+1-cage); ^ user.cpp:100:23: warning: unused variable ‘k2’ [-Wunused-variable] int k=mod(L-cage),k2=mod((L+R)/2+1-cage); ^ user.cpp: In function ‘int main()’: user.cpp:175:18: warning: unused variable ‘x’ [-Wunused-variable] int type,x,y,z; ^ user.cpp:175:20: warning: unused variable ‘y’ [-Wunused-variable] int type,x,y,z; ^ user.cpp:175:22: warning: unused variable ‘z’ [-Wunused-variable] int type,x,y,z; ^ user.cpp:165:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("flower.out","w",stdout); ^